A portable, open-source, coherent noise-generating library for C++

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# blend.h

    00001 // blend.h
    00002 //
    00003 // Copyright (C) 2003, 2004 Jason Bevins
    00004 //
    00005 // This library is free software; you can redistribute it and/or modify it
    00006 // under the terms of the GNU Lesser General Public License as published by
    00007 // the Free Software Foundation; either version 2.1 of the License, or (at
    00008 // your option) any later version.
    00009 //
    00010 // This library is distributed in the hope that it will be useful, but WITHOUT
    00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    00012 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
    00013 // License (COPYING.txt) for more details.
    00014 //
    00015 // You should have received a copy of the GNU Lesser General Public License
    00016 // along with this library; if not, write to the Free Software Foundation,
    00017 // Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00018 //
    00019 // The developer's email is jlbezigvins@gmzigail.com (for great email, take
    00020 // off every 'zig'.)
    00021 //
    00022
    00023 #ifndef NOISE_MODULE_BLEND_H
    00024 #define NOISE_MODULE_BLEND_H
    00025
    00026 #include "modulebase.h"
    00027
    00028 namespace noise
    00029 {
    00030
    00031   namespace module
    00032   {
    00033
    00036
    00039
    00043
    00070     class Blend: public Module
    00071     {
    00072
    00073       public:
    00074
    00076         Blend ();
    00077
    00093         const Module& GetControlModule () const
    00094         {
    00095           if (m_pSourceModule == NULL || m_pSourceModule[2] == NULL) {
    00096             throw noise::ExceptionNoModule ();
    00097           }
    00098           return *(m_pSourceModule[2]);
    00099         }
    00100
    00101         virtual int GetSourceModuleCount () const
    00102         {
    00103           return 3;
    00104         }
    00105
    00106         virtual double GetValue (double x, double y, double z) const;
    00107
    00126         void SetControlModule (const Module& controlModule)
    00127         {
    00128           assert (m_pSourceModule != NULL);
    00129           m_pSourceModule[2] = &controlModule;
    00130         }
    00131
    00132     };
    00133
    00135
    00137
    00139
    00140   }
    00141
    00142 }
    00143
    00144 #endif